An “Amazing” Reversal of Lead’s EffectsTomás Guilarte and colleagues wanted to see if keeping rats in a cage enriched with opportunities for exploration and learning could reverse cognitive deficits caused by lead poisoning during development. The answer was a resounding, unequivocal yes.

Incalculable LossesAfter the space shuttle Columbia broke apart upon reentry Feb. 1, Kimberly O’Brien set aside worries about her own research to join the nation in mourning the seven astronauts who perished.

Mix and Match MPH“Flexibility” and “customizability” are the words that best describe changes in store for the Master of Public Health (MPH) program, the School’s bedrock and largest academic offering.

Lifetime LearningAlumni are bolstering their professional skills by taking advantage of the School’s continuing lifelong public health education opportunities.

Passionate Debate at the World Economic ForumFor a few years at least, the World Economic Forum (WEF)—where international experts and leaders discuss how they can build a better world by improving public health, decreasing poverty, reducing pollution, and working together on a range of other concerns—has Dean Alfred Sommer hooked.

Human Costs of War in IraqBefore U.S. bombs and missiles struck their country on March 20, Iraqis had just enough food, water, electricity, medicines, and medical manpower, according to Mike VanRooyen, MD, MPH, who went on an 11-day emergency research mission to Iraq in January.

Accelerating VaccinationIn a bid to rapidly roll out pneumococcal vaccines needed by children in developing countries, the Global Alliance for Vaccines and Immunization (GAVI) awarded the School a $30 million grant in February.

Royal Travels in ThailandHosted by HRH Princess Maha Chakri Sirindhorn, a 29-member entourage from the School crisscrossed Thailand for 10 days in January, gaining a firsthand perspective of family planning programs, AIDS research, and economic development projects.

New Reasons for Hope in Fight Against Ancient, Wily KillerAs the School’s Malaria Research Institute (JHMRI) approaches its second anniversary, researchers are eagerly applying a rush of new information and new tools to tackle one of the oldest, wiliest, and deadliest diseases to afflict humanity.

Portrait of the ScientistFormer Dean D.A. Henderson remains a larger-than-life presence at the School. His new portrait, by Elizabeth Byrd Mitchell, makes its own impressive statement.